Here is a quick guide to understanding what you have and how to open it. 1. What is a .7z file?
Have you ever received a file named something like funfun.mp4.7z and wondered, "What in the world is this, and how do I watch it?" funfun.mp4.7z
Use a tool like The Unarchiver to extract the contents. Here is a quick guide to understanding what
Always make sure you trust the source of the file before extracting. If a "funfun.mp4.7z" arrives from an unknown email sender, delete it immediately to avoid malware. "What in the world is this
You cannot watch the video directly inside the compressed file. You must "extract" it first.
(e.g., Is it a funny video, a project file, or something else?)